Crank arm for a bicycle crank assembly



FIG. 1 is a top plan view of a crank arm for a bicycle crank assembly showing my new design, it being understood that the bottom is substantially a mirror image thereof;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a cross-sectional view thereof taken along line 5--5 in FIG. 2. 

The ornamental design for a crank arm for a bicycle crank assembly, substantially as shown and described. 